| 摘要 |
Rigid and dismantlable bed board, consisting of a plurality of identical elements 1, of parallelepipedal shape, carrying over the thickness of one of their long sides an oblique projection 3 terminated by a thickened rounded part 3a, and over the thickness of the other long side a groove 2, 2a, of complementary shape to that of the projection 3, 3a. The shape of the projection and of the groove makes it possible to attach the elements 1 firmly together by sliding. The device according to the invention is in particular intended to be placed between the mattress and bedframe for the comfort of people suffering from dorsolumbar pain. <IMAGE>
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